<template>
  <div class="page-shopping-cart" id="shopping-cart">
    <h4 class="cart-title">购物清单</h4>
    <div class="cart-product-title clearfix">
      <div class="td-check fl">
        <span
          class="check-span fl check-all"
          :class="{ 'check-true': isSelectAll }"
          @click="selectProduct(isSelectAll)"
        ></span
        >全选
      </div>
      <div class="td-product fl">商品</div>
      <div class="td-num fl">数量</div>
      <div class="td-price fl"><span>单价(元)</span></div>
      <div class="td-total fl"><span>金额(元)</span></div>
      <div class="td-do fl">操作</div>
    </div>
    <div class="cart-product clearfix">
      <table>
        <tbody>
          <!--遍历的时候带上索引-->
          <tr v-for="(item, index) in productList" :key="index">
            <td class="td-check">
              <span
                class="check-span"
                @click="item.select = !item.select"
                :class="{ 'check-true': item.select }"
              ></span>
            </td>
            <td class="td-product">
              <img :src="item.pro_img" width="98" height="98" alt="图片" />
              <div class="product-info">
                <h6>{{ item.pro_name }}</h6>
                <p>
                  品牌：{{ item.pro_brand }}&nbsp;&nbsp;产地：{{
                    item.pro_place
                  }}
                </p>
                <p>
                  规格/纯度:{{ item.pro_purity }}&nbsp;&nbsp;起定量：{{
                    item.pro_min
                  }}
                </p>
                <p>配送仓储：{{ item.pro_depot }}</p>
              </div>
              <div class="clearfix"></div>
            </td>
            <td class="td-num">
              <div class="product-num">
                <a
                  href="javascript:;"
                  class="num-reduce num-do fl"
                  @click="item.pro_num > 0 ? item.pro_num-- : ''"
                  ><span></span
                ></a>
                <input type="text" class="num-input" v-model="item.pro_num" />
                <a
                  href="javascript:;"
                  class="num-add num-do fr"
                  @click="item.pro_num++"
                  ><span></span
                ></a>
              </div>
            </td>
            <td class="td-price">
              <p class="red-text">
                ￥<span class="price-text">{{
                  item.pro_price.toFixed(2)
                }}</span>
              </p>
            </td>
            <td class="td-total">
              <p class="red-text">
                ￥<span class="total-text">{{
                  item.pro_price * item.pro_num
                }}</span
                >.00
              </p>
            </td>
            <td class="td-do">
              <a
                href="javascript:;"
                class="product-delect"
                @click="deleteOneProduct(index)"
                >删除</a
              >
            </td>
          </tr>
        </tbody>
      </table>
    </div>
    <div class="cart-product-info">
      <a class="delect-product" href="javascript:;" @click="deleteProduct"
        ><span></span>删除所选商品</a
      >
      <a class="keep-shopping" href="#"><span></span>继续购物</a>
      <a class="btn-buy fr" href="javascript:;">去结算</a>
      <p class="fr product-total">
        ￥<span>{{ getTotal.totalPrice }}</span>
      </p>
      <p class="fr check-num">
        <span>{{ getTotal.totalNum }}</span
        >件商品总计（不含运费）：
      </p>
    </div>
  </div>
</template>
<script>
export default {
  data() {
    return {
      productList: [
        {
          pro_name: "【斯文】甘油 | 丙三醇", //产品名称
          pro_brand: "skc", //品牌名称
          pro_place: "韩国", //产地
          pro_purity: "99.7%", //规格
          pro_min: "215千克", //最小起订量
          pro_depot: "上海仓海仓储", //所在仓库
          pro_num: 3, //数量
          pro_img: require("../../assets/庄周.jpg"), //图片链接
          pro_price: 800 //单价
        },
        {
          pro_name: "【斯文】甘油 | 丙三醇", //产品名称
          pro_brand: "skc", //品牌名称
          pro_place: "韩国", //产地
          pro_purity: "99.7%", //规格
          pro_min: "215千克", //最小起订量
          pro_depot: "上海仓海仓储", //所在仓库
          pro_num: 3, //数量
          pro_img: require("../../assets/庄周.jpg"), //图片链接
          pro_price: 800 //单价
        },
        {
          pro_name: "【斯文】甘油 | 丙三醇", //产品名称
          pro_brand: "skc", //品牌名称
          pro_place: "韩国", //产地
          pro_purity: "99.7%", //规格
          pro_min: "215千克", //最小起订量
          pro_depot: "上海仓海仓储", //所在仓库
          pro_num: 3, //数量
          pro_img: require("../../assets/庄周.jpg"), //图片链接
          pro_price: 800 //单价
        }
      ]
    };
  },
  computed: {
    //检测是否全选
    isSelectAll() {
      //如果长度为0，直接返回false
      if (this.productList.length === 0) {
        return false;
      }
      //如果productList中每一条数据的select都为true，返回true，否则返回false;
      return this.productList.every(function(val) {
        return val.select;
      });
    },
    //获取总价和产品总件数
    getTotal: function() {
      //获取productList中select为true的数据。
      var _proList = this.productList.filter(function(val) {
          return val.select;
        }),
        totalPrice = 0;
      for (var i = 0, len = _proList.length; i < len; i++) {
        //总价累加
        totalPrice += _proList[i].pro_num * _proList[i].pro_price;
      }
      //选择产品的件数就是_proList.length，总价就是totalPrice
      return { totalNum: _proList.length, totalPrice: totalPrice };
    }
  },
  mounted() {
    //为productList添加select（是否选中）字段，初始值为true
    this.productList.map(item => {
      this.$set(item, "select", true);
    });
  },
  methods: {
    //全选与取消全选
    selectProduct(_isSelect) {
      //遍历productList，全部取反
      for (var i = 0, len = this.productList.length; i < len; i++) {
        this.productList[i].select = !_isSelect;
      }
    },
    //删除已经选中(select=true)的产品
    deleteProduct() {
      this.productList = this.productList.filter(function(item) {
        return !item.select;
      });
    },
    //删除单条产品
    deleteOneProduct(index) {
      //根据索引删除productList的记录
      this.productList.splice(index, 1);
    }
  }
};
</script>
<style scoped>
.fl {
  float: left;
}

.fr {
  float: right;
}

blockquote,
body,
dd,
div,
dl,
dt,
fieldset,
form,
h1,
h2,
h3,
h4,
h5,
h6,
img,
input,
li,
ol,
p,
table,
td,
textarea,
th,
ul {
  margin: 0;
  padding: 0;
}

.clearfix {
  zoom: 1;
}

.clearfix:after {
  clear: both;
}

.clearfix:after {
  content: ".";
  display: block;
  overflow: hidden;
  visibility: hidden;
  font-size: 0;
  line-height: 0;
  width: 0;
  height: 0;
}

a {
  text-decoration: none;
  color: #333;
}

img {
  vertical-align: middle;
}

.page-shopping-cart {
  width: 1200px;
  margin: 50px auto;
  font-size: 14px;
  border: 1px solid #e3e3e3;
  border-top: 2px solid #317ee7;
}

.page-shopping-cart .cart-title {
  color: #317ee7;
  font-size: 16px;
  text-align: left;
  padding-left: 20px;
  line-height: 68px;
}

.page-shopping-cart .red-text {
  color: #e94826;
}

.page-shopping-cart .check-span {
  display: block;
  width: 24px;
  height: 20px;
}

.page-shopping-cart .check-span.check-true {
}

.page-shopping-cart .td-check {
  width: 70px;
}

.page-shopping-cart .td-product {
  width: 460px;
}

.page-shopping-cart .td-num,
.page-shopping-cart .td-price,
.page-shopping-cart .td-total {
  width: 160px;
}

.page-shopping-cart .td-do {
  width: 150px;
}

.page-shopping-cart .cart-product-title {
  text-align: center;
  height: 38px;
  line-height: 38px;
  padding: 0 20px;
  background: #f7f7f7;
  border-top: 1px solid #e3e3e3;
  border-bottom: 1px solid #e3e3e3;
}

.page-shopping-cart .cart-product-title .td-product {
  text-align: center;
  font-size: 14px;
}

.page-shopping-cart .cart-product-title .td-check {
  text-align: left;
}

.page-shopping-cart .cart-product-title .td-check .check-span {
  margin: 9px 6px 0 0;
}

.page-shopping-cart .cart-product {
  padding: 0 20px;
  text-align: center;
}

.page-shopping-cart .cart-product table {
  width: 100%;
  text-align: center;
  font-size: 14px;
}

.page-shopping-cart .cart-product table td {
  padding: 20px 0;
}

.page-shopping-cart .cart-product table tr {
  border-bottom: 1px dashed #e3e3e3;
}

.page-shopping-cart .cart-product table tr:last-child {
  border-bottom: none;
}

.page-shopping-cart .cart-product table .product-num {
  border: 1px solid #e3e3e3;
  display: inline-block;
  text-align: center;
}

.page-shopping-cart .cart-product table .product-num .num-do {
  width: 24px;
  height: 28px;
  display: block;
  background: #f7f7f7;
}

.page-shopping-cart .cart-product table .product-num .num-reduce span {
  content: "-";
  display: block;
  width: 6px;
  height: 2px;
  margin: 13px auto 0 auto;
}

.page-shopping-cart .cart-product table .product-num .num-add span {
  display: block;
  width: 8px;
  height: 8px;
  margin: 10px auto 0 auto;
}

.page-shopping-cart .cart-product table .product-num .num-input {
  width: 42px;
  height: 28px;
  line-height: 28px;
  border: none;
  text-align: center;
}

.page-shopping-cart .cart-product table .td-product {
  text-align: left;
  font-size: 12px;
  line-height: 20px;
}

.page-shopping-cart .cart-product table .td-product img {
  border: 1px solid #e3e3e3;
  margin-right: 10px;
}

.page-shopping-cart .cart-product table .td-product .product-info {
  display: inline-block;
  vertical-align: middle;
}

.page-shopping-cart .cart-product table .td-do {
  font-size: 12px;
}

.page-shopping-cart .cart-product-info {
  height: 50px;
  line-height: 50px;
  background: #f7f7f7;
  padding-left: 20px;
}

.page-shopping-cart .cart-product-info .delect-product {
  color: #666;
}

.page-shopping-cart .cart-product-info .delect-product span {
  display: inline-block;
  vertical-align: top;
  margin: 18px 8px 0 0;
  width: 13px;
  height: 15px;
}

.page-shopping-cart .cart-product-info .product-total {
  font-size: 14px;
  color: #e94826;
}

.page-shopping-cart .cart-product-info .product-total span {
  font-size: 20px;
}

.page-shopping-cart .cart-product-info .check-num {
  color: #333;
}

.page-shopping-cart .cart-product-info .check-num span {
  color: #e94826;
}

.page-shopping-cart .cart-product-info .keep-shopping {
  color: #666;
  margin-left: 40px;
}

.page-shopping-cart .cart-product-info .keep-shopping span {
  display: inline-block;
  vertical-align: top;
  margin: 18px 8px 0 0;
  width: 15px;
  height: 15px;
}

.page-shopping-cart .cart-product-info .btn-buy {
  height: 50px;
  color: #fff;
  font-size: 20px;
  display: block;
  width: 110px;
  background: #ff7700;
  text-align: center;
  margin-left: 30px;
}

.page-shopping-cart .cart-worder {
  padding: 20px;
}

.page-shopping-cart .cart-worder .choose-worder {
  color: #fff;
  display: block;
  background: #39e;
  width: 140px;
  height: 40px;
  line-height: 40px;
  border-radius: 4px;
  text-align: center;
  margin-right: 20px;
}

.page-shopping-cart .cart-worder .choose-worder span {
  display: inline-block;
  vertical-align: top;
  margin: 9px 10px 0 0;
  width: 22px;
  height: 22px;
}

.page-shopping-cart .cart-worder .worker-info {
  color: #666;
}

.page-shopping-cart .cart-worder .worker-info img {
  border-radius: 100%;
  margin-right: 10px;
}

.page-shopping-cart .cart-worder .worker-info span {
  color: #000;
}

.choose-worker-box {
  width: 620px;
  background: #fff;
}

.choose-worker-box .box-title {
  height: 40px;
  line-height: 40px;
  background: #f7f7f7;
  text-align: center;
  position: relative;
  font-size: 14px;
}

.choose-worker-box .box-title a {
  display: block;
  position: absolute;
  top: 15px;
  right: 16px;
  width: 10px;
  height: 10px;
}

.choose-worker-box .box-title a:hover {
}

.choose-worker-box .worker-list {
  padding-top: 30px;
  height: 134px;
  overflow-y: auto;
}

.choose-worker-box .worker-list li {
  float: left;
  width: 25%;
  text-align: center;
  margin-bottom: 30px;
}

.choose-worker-box .worker-list li p {
  margin-top: 8px;
}

.choose-worker-box .worker-list li.cur a {
  color: #f70;
}

.choose-worker-box .worker-list li.cur a img {
  border: 1px solid #f70;
}

.choose-worker-box .worker-list li a:hover {
  color: #f70;
}

.choose-worker-box .worker-list li a:hover img {
  border: 1px solid #f70;
}

.choose-worker-box .worker-list li img {
  border: 1px solid #fff;
  border-radius: 100%;
}

.product-delect {
  background-color: #af5b5e;
  padding: 10px 30px;
  border-radius: 8px;
  transition: 0.5s;
}
.product-delect:hover {
  background-color: #af1326;
  box-shadow: 5px 5px 0 #ff8296;
}
</style>
